Chinook Energy Inc. (TSX:CKE), Canada's 57th largest Oil & Gas - Exploration & Production company by market cap, has dropped 3.0c (or 6.7%) in the past week to close at 42.0c. The shares had their worst week in a year since the week ended Feb 25, 2016. Compared with the S&P/TSX 60 Index which fell 7.2 points (or 0.8%) in the week, this represented a relative price change of -5.9%. The volume was 1.1 times average trading per week of 1.6 million shares. In the p